Met Office warns UK’s 20th century climate ‘now gone’ in favour of extreme conditions

• The Met Office's annual climate report for 2025 declared that the UK's 20th-century climate is “now gone”, with extreme conditions increasingly becoming the norm.
• 2025 was recorded as the UK's warmest year since records began in 1884, marking the sixth time this record has been broken in the 21st century.
• The report highlights escalating temperatures, a surge in extreme heat events, marine heatwaves, and rapidly rising sea levels, all impacting the natural environment.
• The UK's climate is “on the move”, with warmer conditions migrating northwards and uphill, leading to a quadrupling of days over 30C in areas like Greater London since the late 20th century.
• Sea levels around the UK have risen by approximately 20.1cm since 1901, with the rate of increase accelerating, posing significant risks during storm surges.

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UK’s 20th century climate ‘now gone’ amid warning extreme temperatures are new normal